13403402003 has 2 divisors, whose sum is σ = 13403402004. Its totient is φ = 13403402002.

The previous prime is 13403401997. The next prime is 13403402011. The reversal of 13403402003 is 30020430431.

It is a weak prime.

It is an emirp because it is prime and its reverse (30020430431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13403402003 is a prime.

It is not a weakly prime, because it can be changed into another prime (13403402063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701701001 + 6701701002.

It is an arithmetic number, because the mean of its divisors is an integer number (6701701002).

Almost surely, 2^13403402003 is an apocalyptic number.

13403402003 is a deficient number, since it is larger than the sum of its proper divisors (1).

13403402003 is an equidigital number, since it uses as much as digits as its factorization.

13403402003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13403402003 its reverse (30020430431), we get a palindrome (43423832434).

The spelling of 13403402003 in words is "thirteen billion, four hundred three million, four hundred two thousand, three".